diff options
Diffstat (limited to 'test/lisp/emacs-lisp')
| -rw-r--r-- | test/lisp/emacs-lisp/subr-x-tests.el | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/lisp/emacs-lisp/subr-x-tests.el b/test/lisp/emacs-lisp/subr-x-tests.el index d38a8e2352b..dca7df63098 100644 --- a/test/lisp/emacs-lisp/subr-x-tests.el +++ b/test/lisp/emacs-lisp/subr-x-tests.el @@ -712,5 +712,39 @@ (loop (cdr rest) (+ sum (car rest)))))) (should (equal (mapcar #'funcall funs) '(43 1 0))))) +(ert-deftest test-with-buffer-unmodified-if-unchanged () + (with-temp-buffer + (with-buffer-unmodified-if-unchanged + (insert "t")) + (should (buffer-modified-p))) + + (with-temp-buffer + (with-buffer-unmodified-if-unchanged + (insert "t") + (delete-char -1)) + (should (not (buffer-modified-p)))) + + ;; Shouldn't error. + (should + (with-temp-buffer + (let ((inner (current-buffer))) + (with-buffer-unmodified-if-unchanged + (insert "t") + (delete-char -1) + (kill-buffer (current-buffer)) + t)))) + + (with-temp-buffer + (let ((outer (current-buffer))) + (with-temp-buffer + (let ((inner (current-buffer))) + (with-buffer-unmodified-if-unchanged + (insert "t") + (delete-char -1) + (set-buffer outer)) + (with-current-buffer inner + (should (not (buffer-modified-p))))))))) + + (provide 'subr-x-tests) ;;; subr-x-tests.el ends here |